/mod/profile/icondirect.php
PHP | 82 lines | 58 code | 14 blank | 10 comment | 16 complexity | 625c6f37645b7315b0d8925b7115830e MD5 | raw file
Possible License(s): MIT, BSD-3-Clause, LGPL-2.1, GPL-2.0
- <?php
- /**
- * Elgg profile icon cache/bypass
- *
- *
- * @package ElggProfile
- */
- // Get DB settings
- require_once(dirname(dirname(dirname(__FILE__))). '/engine/settings.php');
- global $CONFIG;
- // won't be able to serve anything if no joindate or guid
- if (!isset($_GET['joindate']) || !isset($_GET['guid'])) {
- header("HTTP/1.1 404 Not Found");
- exit;
- }
- $join_date = (int)$_GET['joindate'];
- $last_cache = (int)$_GET['lastcache']; // icontime
- $guid = (int)$_GET['guid'];
- // If is the same ETag, content didn't changed.
- $etag = $last_cache . $guid;
- if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) == "\"$etag\"") {
- header("HTTP/1.1 304 Not Modified");
- exit;
- }
- $size = strtolower($_GET['size']);
- if (!in_array($size, array('large', 'medium', 'small', 'tiny', 'master', 'topbar'))) {
- $size = "medium";
- }
- $mysql_dblink = @mysql_connect($CONFIG->dbhost, $CONFIG->dbuser, $CONFIG->dbpass, true);
- if ($mysql_dblink) {
- if (@mysql_select_db($CONFIG->dbname, $mysql_dblink)) {
- $q = "SELECT name, value FROM {$CONFIG->dbprefix}datalists WHERE name in ('dataroot', 'path')";
- $result = mysql_query($q, $mysql_dblink);
- if ($result) {
- $row = mysql_fetch_object($result);
- while ($row) {
- if ($row->name == 'dataroot') {
- $data_root = $row->value;
- } elseif ($row->name == 'path') {
- $elgg_path = $row->value;
- }
-
- $row = mysql_fetch_object($result);
- }
- }
- @mysql_close($mysql_dblink);
- if (isset($data_root) && isset($elgg_path)) {
- require_once "{$elgg_path}engine/classes/ElggFilestore.php";
- require_once "{$elgg_path}engine/classes/ElggDiskFilestore.php";
-
- $user_path = ElggDiskFilestore::getLowerBucketBound($guid) . "/$guid";
- $filename = "$data_root$user_path/profile/{$guid}{$size}.jpg";
- $size = @filesize($filename);
-
- if ($size) {
- header("Content-type: image/jpeg");
- header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', strtotime("+6 months")), true);
- header("Pragma: public");
- header("Cache-Control: public");
- header("Content-Length: $size");
- header("ETag: \"$etag\"");
- readfile($filename);
- exit;
- }
- }
- }
- }
- // something went wrong so load engine and try to forward to default icon
- require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
- elgg_log("Profile icon direct failed.", "WARNING");
- forward("_graphics/icons/user/default{$size}.gif");